Hinged Mobile Printer for Non-Flat Surface Printing
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Solution Overview
Problem
Conventional mobile printers require a flat surface to function, making it difficult to print on non-flat or deformable materials, and cannot handle printing media attached to non-flat surfaces or objects.
Innovation Solution
A mobile printer design featuring a first and second housing connected by a hinge, allowing the printer to rotate and hold the printing medium between them, enabling printing without a flat surface, with a print head that uses decolorable ink for temporary information and a control system to manage the printing process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the mobile printer is pressed against the printing medium on a flat surface, then printing can be performed, but it cannot print on non-flat surfaces or deformable materials
Solution Approach 1:
The printer housing is designed to be flexible and deformable, allowing it to adapt its shape to match the contour of the printing medium. This dynamic structural adaptation enables the printer to maintain contact with non-flat surfaces and deformable materials, resolving the contradiction between surface adaptability and operational simplicity
Solution Approach 2:
The printer's physical parameters (shape, flexibility) are changed to match the printing medium's characteristics. By making the housing flexible rather than rigid, the system can conform to various surface geometries, enabling printing on previously inaccessible substrates
2Manufacturing precision
If force is applied to the printing medium to press against the mobile printer, then printing can be performed, but the printing medium becomes deformed into a non-flat shape
Solution Approach 1:
The flexible printer housing actively deforms to match the printing medium's shape, eliminating the need to deform the printing medium to achieve contact. This reverses the traditional approach where the medium was forced to conform to a rigid printer, thereby maintaining medium integrity while ensuring printing quality
Solution Approach 2:
Instead of forcing the printing medium to conform to the printer's rigid surface, the printer's surface is made to conform to the printing medium. This inversion of the adaptation direction prevents medium deformation while achieving the necessary contact pressure for high-quality printing
3Adaptability or versatility
If the printing medium is attached to something that cannot be placed on a flat surface, then the medium cannot be printed on with conventional mobile printers
Solution Approach 1:
The flexible housing design inherently provides adaptability to various substrates without requiring complex positioning mechanisms or flat surface preparation, achieving high substrate compatibility through material flexibility rather than mechanical complexity
Solution Approach 2:
The flexible printer design creates a universal printing solution that can operate on diverse substrates (flat, curved, deformable, attached objects) without requiring different devices or complex setup procedures, achieving multi-functionality through structural flexibility
Data Source
AI summary
According to one embodiment, a mobile printer includes a first housing, a second housing, a hinge, and a print head. The first housing has a first surface on which a printing medium can be disposed. The second housing faces the first surface. The hinge connects the first housing and the second housing and permits the first and second housings to rotate relative to each other. The print head is provided in the second housing and is configured to print an image by discharging on to the print medium when the print medium is on the first surface between the first and second housings.